Browsing Skripsi Sarjana by Issue Date
Now showing items 1-20 of 275
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Isolasi dan Identifikasi Golongan Senyawa Fenolik dari Bunga Tumbuhan Kersen (Muntingia Calabura L)
(Universtas Sumatera Utara, 2020)Isolation and identification of phenolics which contained from the flower of the kersen plant (Muntingia calabura L) has been done. Flower of the kersen plant 2060 g were extracted maceration by methanol solvent. The ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Daun Tumbuhan Benalu Cempedak (Elytranthe Parasitica (L.) Danser)
(Universtas Sumatera Utara, 2020)Isolation of flavonoid which contained in plant parasite of cempedak (Elytranthe parasitica (L.) Danser) have been done. Leaves of benalu cempedak were extracted maceration by methanol solvent. The concentrated extract of ... -
Isolasi Senyawa Flavonoida dari Buah Tumbuhan Senggani (Melastoma Malabathricum L.)
(Universtas Sumatera Utara, 2020)Isolation of flavonoid compound from fruits of senggani (Melastoma malabathricum L.) plants has been done by maceration technique with methanol solvent. The concentrated methanol extract then dissolved with ethyl acetate ... -
Sintesis Pati Posfat dari Pati Sukun (Artocarpus communis) Melalui Reaksi Ikat Silang Menggunakan Na2HPO4-NaH2PO4
(Universitas Sumatera Utara, 2019)Crosslinking reaction between breadfruit starch (Artocarpus communis) and Na2HPO4-NaH2PO4 with a variation of volume ratio 4: 1; 3: 2; 2.5: 2.5; 2: 3; 1: 4 (v / v) to produce phosphate starch has been done. The functional ... -
Sifat Penginderaan Sensor Film Kitosan/Grafit Eksfoliasi (GE) Terikat Silang dengan Glutaraldehida dalam Mendeteksi Formalin
(Universitas Sumatera Utara, 2019)Fabrication of Chitosan/Exfoliated Graphite (Chitosan/EG) film sensors have been successfully carried out using electrodeposition method and cross-linked by glutaraldehyde. The effect of exfoliated graphite addition on ... -
Pembuatan Minuman Sinbiotik dari Kefir dengan Penambahan Inulin dari Umbi Dahlia (Dahlia variabilis willd) Sebagai Prebiotik
(Universitas Sumatera Utara, 2019)Research for making Inulin from dahlia tuber as a prebiotic has been done. Inulin is made by extracting with aquadest solvent and recrystallizing with 30% ethanol as much as 40% of the volume of extract produced, which the ... -
Sintesis Poliuretan Melalui Polimerisasi Difenil Metana 4,4 Diisosianat (MDI) dengan Poliol Hasil Hidroksilasi Minyak Biji Alpukat
(Universitas Sumatera Utara, 2019)Polyurethane synthesis using avocado seeds has been carried out through polymerization of Difenyl Methane 4.4 Diisocyanate (MDI). The first step is extracting avocado seed oil using n-hexane from avocado seeds, the results ... -
Pembuatan Bioetanol Secara Fermentasi dari Selulosa yang di isolasi dari Batang Pisang Kepok (Musa Paradisiaca L.) Menggunakan Ragi Roti (Saccharomyces Cerevisiae)
(Universitas Sumatera Utara, 2019)Bioethanol production has been done by fermenting α-cellulose powder of hydrolyzed kepok banana stems. Isolation of α-cellulose from banana stem waste through 3 stages. The first stage is isolation of α-cellulose from kepok ... -
Analisa Komposisi Unsur yang Terdapat dari Batu yang Diambil dari Sekitar Laut Mati dengan Menggunakan Metode Inductively Coupled Plasma (ICP)
(Universitas Sumatera Utara, 2019)Research has been carried out on the analysis of the elemental composition of rocks taken from around the Dead Sea using Inductively Coupled Plasma (ICP) techniques. Stone samples were first destroyed by using a solution ... -
Pengaruh Metil Oleat Sebagai Template pada Magnesium Silikat Sekam Padi yang Digunakan Sebagai Adsorben Asam Lemak Bebas Minyak Kelapa Sawit
(Universitas Sumatera Utara, 2019)Pore size magnesium silicate of rice husk with the addition of methyl oleate as a template has been synthesized. Sodium silicate obtained from rice husk added to methyl oleate and followed by the addition of MgO. Magnesium ... -
Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Daun Tumbuhan Mundu (Garcinia dulcis (Roxb.) Kurz)
(Universitas Sumatera Utara, 2019)Isolation and identification of flavonoid compounds from Mundu leaves (Garcinia dulcis (Roxb.) Kurz) has been done. Isolation stages has begun with maceration with methanol, continued with partition extraction using ethyl ... -
Sintesis Karboksimetil Trigalaktomanan Melalui Reaksi Antara Trikloroasetat dengan Galaktomanan yang diisolasi dari Tanama Lidah Buaya (Aloe vera)
(Universitas Sumatera Utara, 2019)Synthesis of carboxymethyl trigalactomannan from Aloe vera plant has been carried out by etherification with trichloroacetate. The first step was carried out, namely galactomannan isolation from Aloe vera plants using 96% ... -
Pencampuran Batu Kapur dengan Penambahan Lateks untuk Pembuatan Komposit
(Universitas Sumatera Utara, 2019)Research on mixing of lime stone with the addition of latex for making composites has been done. This study uses limestone originating from Sidikalang which then crushed limestone using a ball mill then lime powder was ... -
Esterifikasi Gliserol dengan Asam Palmitat Menggunakan Katalis Logam dari Abu Vulkanik Sinabung
(Universitas Sumatera Utara, 2019)Palmitic triglyceride esters has been synthesized from esterification palmitic acid with glycerol usingcatalyst metal synthesized from volcanic Mount Sinabun ash.The volcanic ash preparated with addition HCl solution (1N) ... -
Pembuatan Karboksimetil Selulosa(Cmc) dari Selulosa Kulit Nangka Muda (Artocarpus heterophyllus) dan Aplikasinya pada Pembuatan Selai Nanas (Ananas comosus)
(Universitas Sumatera Utara, 2019)The use of young jackfruit skin is still rare, so the waste of young jackfruit skin is wasted into waste for the environment. One method that can be done to deal with this problem is to isolate α cellulose contained in ... -
Isolasi dan Identifikasi Golongan Senyawa Fenolik dari Daun Tumbuhan Daun Kayu Hitam (Diospyros celebica Bakh)
(Universitas Sumatera Utara, 2019)Isolation of phenolic compounds from kayu hitam leaves (Diospyros Celebica Bakh.) has been done by maceration technique with methanol solvent.The concentrated exstract of methanol dissolved with aquadest and partition ... -
Pembuatan Keramik Berpori dari Tanah Liat dan Serbuk Tembaga (Cu) dengan Menggunakan Serbuk Batang Kelapa Sawit Sebagai Agen Pembentuk Pori untuk Filter pada Gas Buang Kendaraan Bermotor
(Universitas Sumatera Utara, 2019)The research on Utilization of oil palm wood waste powder in the manufacture of porous ceramics and its application as a motorized vehicle exhaust gas filter has been carried out. Porous ceramics are made by pore formation ... -
Pembuatan Hidrogel dari Reaksi Ikat Silang Antara Kitosan dengan Dialdehid Selulosa Sebagai Obat Penyembuh Luka
(Universitas Sumatera Utara, 2019)Making hydrogels from crosslinked reactions between cellulose oxidized with chitosan through Schiff base formation reaction has been investigated as a wound healing drug in vivo. α-Cellulose obtained from the isolation of ... -
Isolasi dan Identifikasi Fenolik dari Bunga Tumbuhan Kupu Kupu Rambat (Bauhinia Kockiana Lour.)
(Universitas Sumatera Utara, 2019)Isolation of phenolic compounds from kupu-kupu rambat flowers (Bauhini kockiana Lour.) has been done by maceration technique with Methanol solvent. The separated is using column chromatography with stationary phase silica ... -
Sintesis Senyawa 6-[(N-Iodo-N-Metil-N-Metil-N-Metilamino)Metil]-4-Alil-2-Metoksi Fenol dari Eugenol Melalui Reaksi Mannich dan Metilasi Serta Uji Aktivitas Antibakteri
(Universitas Sumatera Utara, 2019)Eugenol derivative compounds 6-[(N-iodo-N-methyl-N-methyl-N-methylamino)methyl]-4-alyl-2-methoxy phenolwas synthesized through Mannich reaction and methylation. Mannich reaction was carried out by reacting eugenol, ...